Insider filing · CIEN
Thomas Michael Nevens sold $1.9M of Ciena (CIEN)
Executed Dec 15 2025, disclosed Dec 17 2025, 2 days later.
Value, as filed
$1.9M
8,554 sh × $224.66
Executed
Dec 15 2025
the trade date, as filed
Disclosed
Dec 17 2025
2 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only
Returns are measured on stock purchases only.
The filer
TN
Thomas Michael Nevens
Director
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Thomas Michael Nevens (Director) filed 3 Form 4 reports in the trailing twelve months (0 purchases, 3 sales), most often in Ciena Corporation (CIEN). The largest single filing was $1.9M of CIEN (8,554 sh × $224.66, as filed), executed Dec 15 2025.
The name
CIEN
Ciena Corporation
CIEN · Technology · 113 filings in 24 months
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Technology · Ciena Corporation, a network technology company, provides hardware, software, and services for various network operators in the Americas, E…
More Technology filings→ Insider filings, newest first→ View the original filing at www.sec.gov→Other filings by Thomas Michael Nevens in CIEN
CIENSALE
Ciena Corporation
$1.3M3,738 sh × $359.04
Exec Sep 23
Filed Sep 25 · 3:18 PM ET